Features： *Made of high quality material, and practical to use. *Exquisite and delicate, highly matched with equipment *This O ring is located twice in the For Delonghi brewing unit and once on the brewing piston. *Model compatibility for EAM, For ESAM, For ECAM, For Prima Dona, For Perfecta, For ETAM *For Delonghi brewing unit like the plunger *Suitable for Delonghi coffee machines, and like devices of the same construction. *Diameter 36mm; width 4.1mm *Part number: 5332149100 *Material: Silicone Package Contents（optional）: 1/3/10 O-Rings Note： 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. High quality assurance: Each product undergoes strict quality testing to ensure that you can provide the best quality experience. User-friendly design: The product features and appearance are carefully designed, easy to operate, and suitable for various usage scenarios. Multifunctional practicality: It has a variety of practical functions to meet your diverse needs and improve the quality of life. Environmentally friendly materials: Made of environmentally friendly and safe materials, harmless to the human body, while paying attention to environmental protection. Excellent cost performance: Provide excellent quality at a reasonable price to ensure a shopping experience that is worth the money.